Small make up to tell you about when to replace R22 as refrigerant R404a several matters needing attention

in the current market situation, the consumption of refrigerant R22 refrigerant still dominated the domestic refrigeration industry an important position, but as a result of R22 refrigerant to the destruction of the ozone layer has a certain effect, and has high greenhouse effect. Therefore, according to the relevant agreements, R22 refrigerant will be eliminated by 2030. In this premise, refrigeration industry has been looking for R22 refrigerant alternatives, and r404a is one of them.

although R404A refrigerant and refrigerant R22 refrigerating performance close to, but there are still some differences in the process of actual use, should be caused take seriously. Next, we will list R404A refrigerants in replacing R22 refrigerant specific issues to consider.

1。 The first consideration in the process of replacement, lubricating oil, to use the matching PVE ester oil instead of R22 refrigerant mineral lubricating oil.

2。 Due to the hydrophilic ester lubricant and dehydration performance is poor, so in the process of oil change to avoid contact with air. Container after the opening, be sure to use as soon as possible, use after the seal as soon as possible. Oxidant in addition, still need to get away, alkali, acid, etc.

3。 Storage of ester lubricants, please put it in a well-ventilated place, when used to avoid contact with skin and eyes. Also, as far as possible avoid inhaling steam and spray.

4。 Because of the exhaust pressure of refrigerant R404A R22 refrigerant is 1. 2 times, mass flow rate is 1 of R22 refrigerant. 5 times. Therefore, with the increase of exhaust velocity, the flow resistance of refrigerant R404A is bigger, the heat transfer of refrigerant R404A ability is higher than that of R22 refrigerant 20% ~ 30%.

the above about the related introduction of refrigerant R404A over here, hope to be able to bring you some help, if you have a demand on refrigerant R404A, welcome consultation discussion with us, we wholeheartedly at your service.

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